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Finding the Fourth Proportional to 2,398.60, 3,597.63 and 1,012.15

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Solution

The fourth proportional to 2,398.60, 3,597.63 and 1,012.15 is: 1,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.60 : 3,597.63 = 1,012.15 : x
  2. Step 2: Convert to fraction form
    2,398.60/3,597.63 = 1,012.15/x
  3. Step 3: Cross multiply
    2,398.60x = 3,597.63 × 1,012.15
  4. Step 4: Simplify right side
    2,398.60x = 3,641,341.20
  5. Step 5: Solve for x
    x = 3,641,341.20/2,398.60
  6. Step 6: Final answer
    x = 1,518.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.